| | 2008 | 2007 | 2006 | 2005 | 2004 |
| Period End Date | 12/31/2008 | 12/31/2007 | 12/31/2006 | 12/31/2005 | 12/31/2004 |
| Period Length | 12 Months | 12 Months | 12 Months | 12 Months | 12 Months |
| Stmt Source | 10-K | 10-K | 10-K | 10-K | PROSPECTUS |
| Stmt Source Date | 03/16/2009 | 02/29/2008 | 03/14/2007 | 03/21/2006 | 06/30/2005 |
| Stmt Update Type | Updated | Updated | Updated | Updated | Updated |
| | | | | | |
| Revenue | 334.3 | 268.61 | 205.26 | 159.95 | 113.18 |
| Total Revenue | 334.3 | 268.61 | 205.26 | 159.95 | 113.18 |
| | | | | | |
| Cost of Revenue, Total | 171.21 | 138.57 | 103.24 | 78.63 | 58.21 |
| Gross Profit | 163.1 | 130.04 | 102.02 | 81.32 | 54.97 |
| | | | | | |
| Selling/General/Administrative Expenses, Total | 112.46 | 79.41 | 58.42 | 42.94 | 30.59 |
| Research & Development | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Depreciation/Amortization | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Interest Expense (Income), Net Operating | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Unusual Expense (Income) | 16.23 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other Operating Expenses, Total | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Operating Income | 34.4 | 50.63 | 43.6 | 38.38 | 24.39 |
| | | | | | |
| Interest Income (Expense), Net Non-Operating | 0.9 | 3.97 | 3.83 | 1.04 | -0.01 |
| Gain (Loss) on Sale of Assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other, Net | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Income Before Tax | 33.5 | 55.01 | 47.67 | 39.48 | 24.38 |
| | | | | | |
| Income Tax - Total | 11.79 | 21.67 | 18.92 | 10.48 | 0.37 |
| Income After Tax | 21.71 | 33.34 | 28.75 | 29.01 | 24.01 |
| | | | | | |
| Minority Interest | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Equity In Affiliates | 0.0 | 0.0 | 0.0 | 0.33 | 0.59 |
| U.S. GAAP Adjustment | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Net Income Before Extra. Items | 21.71 | 33.34 | 28.75 | 29.34 | 24.59 |
| | | | | | |
| Total Extraordinary Items | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Net Income | 21.71 | 33.34 | 28.75 | 29.34 | 24.59 |
| | | | | | |
| | | | | | |
Total Adjustments to Net Income | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Preferred Dividends | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | General Partners' Distributions | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
|
| | | | | | |
| Basic Weighted Average Shares | 24.34 | 24.3 | 24.23 | 21.63 | 19.14 |
| Basic EPS Excluding Extraordinary Items | 0.89 | 1.37 | 1.19 | 1.36 | 1.28 |
| Basic EPS Including Extraordinary Items | 0.89 | 1.37 | 1.19 | 1.36 | 1.28 |
| | | | | | |
| Diluted Weighted Average Shares | 24.36 | 24.42 | 24.3 | 21.84 | 19.53 |
| Diluted EPS Excluding Extrordinary Items | 0.89 | 1.37 | 1.18 | 1.34 | 1.26 |
| Diluted EPS Including Extraordinary Items | 0.89 | 1.37 | 1.18 | 1.34 | 1.26 |
| | | | | | |
| Dividends per Share - Common Stock Primary Issue | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Gross Dividends - Common Stock | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Depreciation, Supplemental | 5.02 | 2.85 | 1.28 | 0.57 | 0.33 |
| | | | | | |
| Normalized EBITDA | 57.95 | 53.53 | 45.03 | 39.01 | 24.72 |
| Normalized EBIT | 50.63 | 50.63 | 43.6 | 38.38 | 24.39 |
| Normalized Income Before Tax | 49.73 | 55.01 | 47.67 | 39.48 | 24.38 |
| Normalized Income After Taxes | 32.23 | 33.34 | 28.75 | 29.01 | 24.01 |
| Normalized Income Available to Common | 32.23 | 33.34 | 28.75 | 29.34 | 24.59 |
| | | | | | |
| Basic Normalized EPS | 1.32 | 1.37 | 1.19 | 1.36 | 1.28 |
| Diluted Normalized EPS | 1.32 | 1.37 | 1.18 | 1.34 | 1.26 |
| Amortization of Intangibles | 2.3 | 0.05 | 0.15 | 0.06 | 0.0 |